%I #4 Mar 30 2012 18:56:23
%S 1,2,3,11,4,25,23,5,15,26,55,1,6,16,31,42,52,40,78,98,8,93,2,118,35,
%T 106,132,57,94,113,77,7,20,10,3,64,22,307,75,100,39,18,196,17,11,50,
%U 395,244,138,68,46,117,297,345,12,368,60,4,32,375
%N a(n)=least k such that n begins at s(k), where s=A031324.
%K nonn
%O 1,2
%A _Clark Kimberling_
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